Home / 11,892.40-16,410.81-6,586.90

Finding the Fourth Proportional to 11,892.40, 16,410.81 and 6,586.90

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Solution

The fourth proportional to 11,892.40, 16,410.81 and 6,586.90 is: 9,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.40 : 16,410.81 = 6,586.90 : x
  2. Step 2: Convert to fraction form
    11,892.40/16,410.81 = 6,586.90/x
  3. Step 3: Cross multiply
    11,892.40x = 16,410.81 × 6,586.90
  4. Step 4: Simplify right side
    11,892.40x = 108,096,364.39
  5. Step 5: Solve for x
    x = 108,096,364.39/11,892.40
  6. Step 6: Final answer
    x = 9,089.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.